A few hours after a nuclear disaster, the radiation has not yet reached the city where you live. As you escape you get a sight of a nuclear bunker. "I'm saved," you think. However, the fight for your life is still not over...

Join your fellow bobbers and work together to escape the ultimate nuclear disaster. Can you face your fears and take the pressure?

What's worse, this is a competition! Two bobber teams will go back to back to see who can escape the quickest! Thinking caps at the ready: it's time escape the Chain Reaction!